Sony VPL-CX20 - Service Know-How

2-12
VPL-CX20/CS20
2-4. Service Know-How
2-4-1. When the Prism Block is Replaced
1. Perform the V COM adjustment. (Refer to Section “2-
2. VCOM Adjustment”.)
2. Write LUT and 3D GAMMA data that are supplied
with the prism block.
3. Perform the white balance adjustment. (Refer to
Section “2-5. White Balance Adjustment”.)
4. Perform the AF adjustment. (Refer to Section “2-6. AF
Adjustment”.)
2-4-2. When the Lens is Replaced
1. Perform the AF adjustment. (Refer to Section “2-6. AF
Adjustment”.)
2-4-3. When the Board is Replaced
n
No item needs to be adjusted when boards other than the C
board are replaced.
When the C board is replaced
1. Install the IC702 that are removed from the old C
board, into the new C board.
2. Enter the Factory Mode, and select Other in DEVICE
MENU.
3. Shorten the TILT adjuster to its shortest limit on the
flat workbench.
4. At this time, the value of 22 Other/X Tilt is read and
inputted in the 19 Other/Tilt C0.
5. Secure the unit so that it faces upward in the vertical
position.
6. At this time, the value of 22 Other/X Tilt is read and
inputted in the 20 Other/Tilt C1.
7. Secure the unit so that it faces downward in the
vertical position.
8. At this time, the value of 22 Other/X Tilt is read and
inputted in the 21 Other/Tilt C2.
9. Press the MEMORY key and save the adjustment
value.
n
Perform adjustment under the environment of 25 ±5dC.